circle.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Harry Storbacka
**    Mark Page
*/

#pragma once

#include "point.h"

namespace uicore
{
    template<typename Type>
    class Circlex
    {
    public:
        Vec2<Type> position;

        Type radius;

        Circlex(Type x, Type y, Type radius) : position(x, y), radius(radius) { }
        Circlex(const Vec2<Type> &p, Type radius) : position(p), radius(radius) { }
        Circlex() : position(), radius(static_cast<Type> (0))  { }
        Circlex(const Circlex<Type> &copy) : position(copy.position), radius(copy.radius) {}

        bool is_inside(const Vec2<Type> &point) { return radius >= position.distance(point); }

        Circlex<Type> &operator = (const Circlex<Type>& copy) { position = copy.position; radius = copy.radius; return *this; }
        bool operator == (const Circlex<Type>& circle) const { return ((position == circle.position) && (radius == circle.radius)); }
        bool operator != (const Circlex<Type>& circle) const { return ((position != circle.position) || (radius != circle.radius)); }
    };

    class Circle : public Circlex<int>
    {
    public:
        Circle(int x, int y, int radius) : Circlex<int>(x, y, radius) { }
        Circle(const Vec2<int> &p, int radius) : Circlex<int>(p, radius) { }
        Circle() : Circlex<int>(){ }
        Circle(const Circlex<int> &copy) : Circlex<int>(copy){ }
    };

    class Circlef : public Circlex<float>
    {
    public:
        Circlef(float x, float y, float radius) : Circlex<float>(x, y, radius) { }
        Circlef(const Vec2<float> &p, float radius) : Circlex<float>(p, radius) { }
        Circlef() : Circlex<float>(){ }
        Circlef(const Circlex<float> &copy) : Circlex<float>(copy){ }
    };

    class Circled : public Circlex<double>
    {
    public:
        Circled(double x, double y, double radius) : Circlex<double>(x, y, radius) { }
        Circled(const Vec2<double> &p, double radius) : Circlex<double>(p, radius) { }
        Circled() : Circlex<double>(){ }
        Circled(const Circlex<double> &copy) : Circlex<double>(copy){ }
    };
}